: The process usually takes 5 to 7 minutes . Do not power off the TV during this time, or you may permanently damage the mainboard. Mainboard Availability TP.MT5522S.PC822 Main Board Replacement 55"-58" TVs

: Hold the power button on the TV (not the remote) and plug the power cord in. Continue holding until the LED indicator begins to blink, signaling the update has started.

Plug the USB into the TV's slot while the TV is unplugged.

: The software has been split into multiple compressed segments to make downloading easier. To use this, you must download all parts (part01 through at least part07) and extract them together using a tool like 7-Zip or WinRAR. Usage and Installation